Datasheet

DescriptionResetTypeNameBit/Field
Technology Ability Field[0]
When set, this bit indicates that the Ethernet Controller supports the
10BASE-T half-duplex signaling protocol. If software wants to ensure
that this mode is not used, this bit can be cleared and auto-negotiation
re-initiated with the RANEG bit in the MR0 register..
1R/WA05
Selector Field
The S field encodes 32 possible messages for communicating between
Ethernet Controllers. This field is hard-coded to 0x01, indicating that
the Stellaris Ethernet Controller is IEEE 802.3 compliant.
0x1ROS4:0
June 18, 2012636
Texas Instruments-Production Data
Ethernet Controller
NRND: Not recommended for new designs.